221200001019974 has 8 divisors (see below), whose sum is σ = 331800196432968. Its totient is φ = 110599935542320.

The previous prime is 221200001019973. The next prime is 221200001019983. The reversal of 221200001019974 is 479910100002122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200001019973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28110092 + ... + 35108079.

It is an arithmetic number, because the mean of its divisors is an integer number (41475024554121).

Almost surely, 2^{221200001019974} is an apocalyptic number.

221200001019974 is a deficient number, since it is larger than the sum of its proper divisors (110600195412994).

221200001019974 is a wasteful number, since it uses less digits than its factorization.

221200001019974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64967670.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 221200001019974 in words is "two hundred twenty-one trillion, two hundred billion, one million, nineteen thousand, nine hundred seventy-four".